CN111012989B - Internal medicine clinical breathing disinfection filter equipment - Google Patents
Internal medicine clinical breathing disinfection filter equipment Download PDFInfo
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- CN111012989B CN111012989B CN201911369609.5A CN201911369609A CN111012989B CN 111012989 B CN111012989 B CN 111012989B CN 201911369609 A CN201911369609 A CN 201911369609A CN 111012989 B CN111012989 B CN 111012989B
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- cylindrical
- cylindrical shell
- disinfection
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- filtration device
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/10—Preparation of respiratory gases or vapours
- A61M16/105—Filters
- A61M16/106—Filters in a path
- A61M16/107—Filters in a path in the inspiratory path
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The invention discloses a medical clinical breathing disinfection and filtration device which comprises a cylindrical shell, wherein an opening is formed in the top of the cylindrical shell, a cylindrical sealing cover is connected to the opening in the top of the cylindrical shell in a screwing mode through threads, and a first connecting head connected with a breathing machine pipeline is fixedly arranged on the top of the cylindrical sealing cover. The internal medicine clinical respiration disinfection and filtration device is small in size and convenient to use, can conveniently and quickly disinfect and filter gas from a breathing machine so as to be directly used by people, can play a role in disinfecting, filtering carriers and media of breathing gas between a breathing mask and the breathing machine, avoids the defect that the size occupies a large space due to the fact that special disinfection and filtration equipment needs to be arranged in the past, is convenient to replace a filter element, is good in sealing performance after replacement, avoids the entry of external air, and ensures the filtration effect.
Description
Technical Field
The invention relates to the technical field of internal medicine clinic, in particular to a respiratory disinfection and filtration device for internal medicine clinic.
Background
Respiratory medicine is a department in modern western medicine. Common conditions are pneumococcal pneumonia, acute lung abscess, pneumococcal pneumonia, asthma, staphylococcus aureus pneumonia, pulmonary aspergillosis, pulmonary candidiasis, pulmonary alveolar proteinosis, herpangina, viral pneumonia, silicosis, pulmonary actinomycosis, simple pulmonary eosinophil infiltration, asthmatic pulmonary eosinophil infiltration, obstructive emphysema, bronchiectasis, desquamation interstitial pneumonia, immunodeficiency pneumonia, idiopathic obstructive bronchiolitis complicated with pneumonia, and respiratory bronchiole related interstitial lung disease.
Breathe internal medicine patient and generally all be respiratory and go wrong, need wear filter mask or respirator for a long time and filter the air when serious, some respirators possess filtering capability, repeatedly usable. However, the filter element of the breathing mask is difficult to replace, and the replacement of the filter element is difficult to ensure the sealing performance of the interior of the respirator, so that the external air is mixed with the air required by breathing, the load of the filter element is aggravated, and even the filtering fails when the filter element is serious.
Moreover, the existing breathing disinfection and filtration device can be independently provided with disinfection equipment for filtration, and has large volume and occupied space, thus causing inconvenience in use. For example CN104606761A, a clinical breathing disinfection filter equipment of internal medicine that discloses, it belongs to medical instrument technical field. The medical clinical respiration disinfection and filtration device comprises a disinfection and respiration combination box, an oxygen mask movable bin, a power box, an oxygen supply bin and a gas disinfection bin. The size and the occupied space are large, and the use is inconvenient.
In view of the above, the invention designs an internal medicine clinical respiration disinfection and filtration device, which can play the role of a carrier and a medium for respiration disinfection and filtration between an oxygen breathing mask and a respirator, is used for people to breathe after ultraviolet disinfection and filtration of a filter element, has small volume, is directly arranged on the breathing mask through a connector, is convenient to use, is convenient to replace the filter element, has good sealing performance after replacement, avoids external air from entering, and ensures the filtration effect.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a medical clinical respiration disinfection and filtration device.
The invention provides an internal medicine clinical respiration disinfection and filtration device which comprises a cylindrical shell, wherein an opening is formed in the top of the cylindrical shell, a cylindrical sealing cover is screwed and connected to the opening in the top of the cylindrical shell through threads, a first connector connected with a breathing machine pipeline is fixedly arranged on the top of the cylindrical sealing cover and communicated with the inside of the cylindrical shell, a second connector connected with a breathing mask pipeline is fixedly arranged on the bottom of the cylindrical shell and communicated with the inside of the cylindrical shell;
the inner part of the cylindrical shell is movably provided with a cylindrical sleeve, a filter element is tightly and movably sleeved in the cylindrical sleeve and is of a cylindrical structure, the filter element is positioned at the middle lower part of the inner part of the cylindrical sleeve, a limiting ring is fixedly sleeved on the inner wall of the cylindrical sleeve, the edge of the top of the filter element is tightly abutted and contacted with the limiting ring, the bottom of the filter element is tightly abutted and contacted with the inner wall of the bottom of the cylindrical shell, an ultraviolet disinfection lamp is arranged above the limiting ring, and two ends of the ultraviolet disinfection lamp are respectively and fixedly arranged on the inner walls at two sides of the cylindrical sleeve;
the top of the outer circumference of the cylindrical sleeve is fixedly sleeved with a pressing ring, the circumferential edge of the inner wall of the top of the cylindrical sealing cover is fixedly provided with an annular sealing element, and the annular sealing element is tightly in sealing contact with the top of the pressing ring and the outer side of the circumference;
the annular array is equipped with a plurality of movable chambeies on the cylindricality shell that is located the clamping ring below, the activity of activity intracavity is equipped with the movable block, fixedly connected with elastic component between the bottom of movable block and the bottom inner wall in activity chamber, the top fixedly connected with activity ejector pin of movable block, the top activity of activity ejector pin runs through to the top of cylindricality shell and offsets the contact with the bottom of clamping ring.
Preferably, the elastic member is made of any one of an elastic spring and a spring plate.
Preferably, the both sides of activity piece all roll and are provided with the ball, all be equipped with ball track groove on the both sides inner wall in activity chamber, and one side of ball extend to ball track inslot and with the inner wall rolling connection in ball track groove.
Preferably, rolling grooves are formed in the two sides of the movable block, and the balls are arranged in the rolling grooves in a rolling mode.
Preferably, the number of the movable ejector rods is four to eight, and the four to eight movable ejector rods are uniformly arranged at the top of the cylindrical shell in an annular array mode.
Preferably, an internal thread is arranged on the inner wall of the cylindrical sealing cover, an external thread is arranged on the outer wall of the opening at the top of the cylindrical shell, and the internal thread on the inner wall of the cylindrical sealing cover is matched with the external thread on the outer wall of the cylindrical shell.
Preferably, a first vent hole is formed in the inner wall of the top of the cylindrical sealing cover, and a second vent hole is formed in the inner wall of the bottom of the cylindrical shell.
Preferably, a power supply is arranged on the outer wall of one side of the cylindrical shell, a switch controller is arranged on the outer side of the power supply, and the switch controller, the power supply and the ultraviolet disinfection and sterilization lamp are electrically connected in series.
The invention has the beneficial effects that:
1. according to the invention, the breathing gas from the breathing machine enters the cylindrical shell through the first connector and the first vent hole, the entered gas is directly subjected to ultraviolet disinfection and sterilization through an ultraviolet disinfection and sterilization lamp in the cylindrical shell, and then is filtered by the filter element and is transmitted into the breathing mask from the second vent hole, the second connector and the pipeline of the breathing mask, and finally the breathing mask is provided for people to breathe; the device small in size, convenient to use, through second connector direct mount connect on respirator directly use can, can play the effect of carrying out disinfection, filtration carrier, the media of breathing gas between respirator and the breathing machine, avoided in the past need set up special disinfection filtration equipment and cause the great drawback of volume occupation space.
2. The filter element is convenient to replace, the sealing performance is good after replacement, outside air is prevented from entering, the filtering effect is ensured, namely after the cylindrical sealing cover and the cylindrical shell are screwed and completely screwed, the elastic piece also generates the reaction of elasticity, so that the threaded connection between the cylindrical sealing cover and the cylindrical shell is tighter, the thread slipping is prevented, meanwhile, the annular sealing piece is in close sealing contact with the opening end of the top of the cylindrical shell, the sealing performance is ensured, the problem that the outside air enters the breathing gas to pollute and aggravate the filtering load of the filter element to be used, and even seriously, the filtering failure is caused is solved, and the filtering effect is finally ensured.
In conclusion, the internal medicine clinical respiration disinfection and filtration device is small in size, convenient to use, capable of disinfecting and filtering gas from a breathing machine conveniently and quickly so as to be used directly by people, capable of playing a role in disinfecting, filtering a carrier and a medium of breathing gas between a breathing mask and the breathing machine, capable of avoiding the defect that the occupied space is large due to the fact that special disinfection and filtration equipment needs to be arranged in the past, convenient to replace a filter element, good in sealing performance after replacement, capable of avoiding external air from entering and capable of ensuring the filtration effect.
Drawings
FIG. 1 is a schematic structural diagram of a medical clinical respiration disinfection and filtration device provided by the invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is a schematic view of the cylindrical sealing cap of the present invention;
FIG. 5 is a schematic view of the structure of the interior of the cylindrical housing of the present invention;
FIG. 6 is a schematic structural view of the filter element, cylindrical sleeve and cylindrical shell of the present invention after disassembly;
fig. 7 is a schematic structural diagram of a filter element of the present invention.
In the figure: the device comprises a 1 cylindrical shell, a 100 movable cavity, a 101 movable push rod, a 102 movable block, a 103 elastic part, 104 balls, a 105 ball track groove, a 2 cylindrical sealing cover, 201 internal threads, a 3 first connector, a 300 first vent hole, a 4 second connector, a 400 second vent hole, a 5 ultraviolet disinfection lamp, a 6 filter core, a 7 cylindrical sleeve, an 8 limiting ring, a 9 pressing ring, a 10 annular sealing part, an 11 on-off controller and a 12 power supply.
Detailed Description
The present invention will be further illustrated with reference to the following specific examples.
Examples
Referring to fig. 1-7, the embodiment provides a medical clinical respiration disinfection and filtration device, which includes a cylindrical shell 1, an opening is provided at the top of the cylindrical shell 1, a cylindrical sealing cover 2 is screwed and connected to the opening at the top of the cylindrical shell 1 through a thread, a first connector 3 connected to a breathing machine pipeline is fixedly provided at the top of the cylindrical sealing cover 2, the first connector 3 is communicated with the inside of the cylindrical shell 1, a second connector 4 connected to a breathing mask pipeline is fixedly provided at the bottom of the cylindrical shell 1, and the second connector 4 is communicated with the inside of the cylindrical shell 1;
a cylindrical sleeve 7 is movably mounted inside the cylindrical shell 1, a filter element 6 is tightly and movably sleeved in the cylindrical sleeve 7, the filter element 6 is of a cylindrical structure, the filter element 6 is located at the middle lower part inside the cylindrical sleeve 7, a limiting ring 8 is fixedly sleeved on the inner wall of the cylindrical sleeve 7, the top edge of the filter element 6 is tightly abutted and contacted with the limiting ring 8, the bottom of the filter element 6 is tightly abutted and contacted with the inner wall of the bottom of the cylindrical shell 1, an ultraviolet disinfection lamp 5 is arranged above the limiting ring 8, and two ends of the ultraviolet disinfection lamp 5 are respectively and fixedly arranged on the inner walls of two sides of the cylindrical sleeve 7;
the top of the outer circumference of the cylindrical sleeve 7 is fixedly sleeved with a pressing ring 9, the circumferential edge of the inner wall of the top of the cylindrical sealing cover 2 is fixedly provided with an annular sealing element 10, and the annular sealing element 10 is tightly in sealing contact with the top of the pressing ring 9 and the outer side of the circumference;
the annular array is equipped with a plurality of movable chambeies 100 on the cylindricality shell 1 that is located clamping ring 9 below, the activity in activity chamber 100 is equipped with movable block 102, fixedly connected with elastic component 103 between the bottom of movable block 102 and the bottom inner wall in activity chamber 100, the top fixedly connected with activity ejector pin 101 of movable block 102, the top activity of activity ejector pin 101 runs through to the top of cylindricality shell 1 and the bottom counterbalance contact with clamping ring 9. The internal medicine clinical respiration disinfection and filtration device is small in size, convenient to use, and capable of disinfecting and filtering gas from a breathing machine conveniently and quickly so as to be used directly by people, and has the functions of disinfecting breathing gas between a breathing mask and the breathing machine, filtering a carrier and a medium, so that the defect that the occupied space is large due to the fact that special disinfection and filtration equipment needs to be arranged in the past is overcome, the filter element 6 is convenient to replace, the sealing performance is good after replacement, outside air is prevented from entering, and the filtration effect is ensured.
In this embodiment, the material of the elastic member 103 is specifically any one of an elastic spring and a spring plate.
In this embodiment, specifically, the balls 104 are disposed on both sides of the movable block 102 in a rolling manner, the ball track grooves 105 are disposed on both inner walls of the movable chamber 100, and one side of the ball 104 extends into the ball track groove 105 and is connected to the inner walls of the ball track grooves 105 in a rolling manner.
In this embodiment, rolling grooves are formed on both sides of the movable block 102, and the balls 104 are rolled in the rolling grooves.
In the present embodiment, specifically, the number of the movable push rods 101 is four to eight, and four to eight movable push rods 101 are uniformly arranged on the top of the cylindrical housing 1 in an annular array.
In this embodiment, specifically, an internal thread 201 is provided on the inner wall of the cylindrical sealing cover 2, an external thread is provided on the outer wall of the opening at the top of the cylindrical shell 1, and the internal thread 201 on the inner wall of the cylindrical sealing cover 2 matches with the external thread on the outer wall of the cylindrical shell 1.
In the embodiment, a first vent hole 300 is formed on the top inner wall of the cylindrical sealing cover 2, and a second vent hole 400 is formed on the bottom inner wall of the cylindrical shell 1.
In this embodiment, a power supply 12 is disposed on an outer wall of one side of the cylindrical housing 1, a switch controller 11 is disposed outside the power supply 12, and the switch controller 11 is electrically connected in series with the power supply 12 and the ultraviolet disinfection and sterilization lamp 5.
When the medical clinical respiratory disinfection and filtration device is used, the first connector 3 on the cylindrical sealing cover 2 in the device is connected with a pipeline connector of a breathing machine, and the second connector 4 on the cylindrical shell 1 of the device is connected with a connector on a breathing mask, so that the device can play a role in disinfecting and filtering breathing gas between the breathing mask and the breathing machine, and filtering carriers and media; during operation, firstly, after the ultraviolet disinfection and sterilization lamp 5 is started by the switch controller 11 to perform disinfection and sterilization, the breathing gas from the breathing machine enters the cylindrical shell 1 through the first connector 3 and the first vent hole 300, meanwhile, the entered gas directly performs ultraviolet disinfection and sterilization through the ultraviolet disinfection and sterilization lamp 5 in the cylindrical shell 1, is filtered by the filter element 6 and is transmitted into the breathing mask from the second vent hole 400, the second connector 4 and the pipeline of the breathing mask, and finally is supplied for people to breathe; the device small in size, convenient to use, through 4 direct mount connections of second connector on respirator directly use can, can play the effect of carrying out the disinfection, the filtration carrier of breathing gas, media between respirator and the breathing machine, avoided in the past need set up special disinfection filtration equipment and cause the great drawback of volume occupation space.
On the other hand, the filter element 6 in the device is convenient to replace, the sealing performance is good after replacement, the outside air is prevented from entering, the filtering effect is ensured, when the filter element is specifically replaced, the cylindrical sealing cover 2 is detached from the cylindrical shell 1 in a thread loosening mode (as shown in figures 4 and 5), the filter element 6 is directly extracted from the cylindrical sleeve 7 (as shown in figure 6), finally, a new filter element 6 is directly sleeved in the cylindrical sleeve 7, the cylindrical sleeve 7 provided with the new filter element 6 is directly placed in the cylindrical shell 1 (as shown in figure 5), the press ring 9 at the top of the circumference of the outer side of the cylindrical sleeve 7 is placed at the top end of the movable push rod 101, the elastic part 103 is not compressed, and finally, the cylindrical sealing cover 2 is installed on the cylindrical shell 1 in a thread tightening mode (as shown in figures 2 and 3), and at the moment, when the cylindrical sealing cover 2 is screwed downwards, the annular sealing part 10, The clamping ring 9 comes downward extrusion activity ejector pin 101, the movable block 102 and makes the elastic component 103 compressed, after the sealed lid of cylindricality 2 was screwed up the installation completely with cylindricality shell 1, elastic component 103 still produced the reaction of elasticity, and then make the threaded connection between the sealed lid of cylindricality 2 and the cylindricality shell 1 inseparabler, in order to prevent smooth silk, make the open end close sealing contact at cyclic annular sealing member 10 and cylindricality shell 1 top simultaneously, the leakproofness has been guaranteed, avoid external air to get into the breathing gas internal contamination and aggravate the filtration load of filter core 6 and use, lead to the problem of filtering failure even when serious, finally, filterable effect has been ensured.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The internal medicine clinical respiration disinfection and filtration device comprises a cylindrical shell (1), wherein the top of the cylindrical shell (1) is provided with an opening, and the internal medicine clinical respiration disinfection and filtration device is characterized in that the opening at the top of the cylindrical shell (1) is connected with a cylindrical sealing cover (2) in a screwing manner through threads, a first connector (3) connected with a respirator pipeline is fixedly arranged at the top of the cylindrical sealing cover (2), the first connector (3) is communicated with the inside of the cylindrical shell (1), a second connector (4) connected with a respirator pipeline is fixedly arranged at the bottom of the cylindrical shell (1), and the second connector (4) is communicated with the inside of the cylindrical shell (1);
the portable ultraviolet disinfection device is characterized in that a cylindrical sleeve (7) is movably mounted inside the cylindrical shell (1), a filter element (6) is movably sleeved in the cylindrical sleeve (7) in a tight mode, the filter element (6) is of a cylindrical structure and located on the middle lower portion inside the cylindrical sleeve (7), a limiting ring (8) is fixedly sleeved on the inner wall of the cylindrical sleeve (7), the top edge of the filter element (6) is in tight abutting contact with the limiting ring (8), the bottom of the filter element (6) is in tight abutting contact with the inner wall of the bottom of the cylindrical shell (1), an ultraviolet disinfection lamp (5) is arranged above the limiting ring (8), and two ends of the ultraviolet disinfection lamp (5) are fixedly arranged on the inner walls of two sides of the cylindrical sleeve (7) respectively;
a pressing ring (9) is fixedly sleeved at the top of the circumference of the outer side of the cylindrical sleeve (7), an annular sealing element (10) is fixedly arranged at the circumferential edge of the inner wall of the top of the cylindrical sealing cover (2), and the annular sealing element (10) is tightly in sealing contact with the top of the pressing ring (9) and the outer side of the circumference;
the utility model discloses a be located cylindricality shell (1) of clamping ring (9) below and go up annular array and be equipped with a plurality of movable chamber (100), activity chamber (100) internalization is equipped with movable block (102), fixedly connected with elastic component (103) between the bottom of movable block (102) and the bottom inner wall in activity chamber (100), the top fixedly connected with activity ejector pin (101) of movable block (102), the top activity of activity ejector pin (101) runs through to the top of cylindricality shell (1) and contact with the bottom counterbalance of clamping ring (9).
2. The medical clinical breath disinfection and filtration device as claimed in claim 1, wherein the elastic member (103) is made of any one of an elastic spring and a spring plate.
3. The medical clinical respiration disinfection and filtration device according to claim 1, wherein balls (104) are arranged on both sides of the movable block (102) in a rolling manner, ball track grooves (105) are arranged on both inner walls of the movable cavity (100), and one side of each ball (104) extends into each ball track groove (105) and is connected with the inner wall of each ball track groove (105) in a rolling manner.
4. The medical clinical breath disinfection and filtration device as claimed in claim 3, wherein rolling grooves are formed on both sides of the movable block (102), and the rolling balls (104) are arranged in the rolling grooves in a rolling manner.
5. An internal medicine clinical respiration sterilization and filtration device according to claim 1, wherein the number of the movable ejector rods (101) is four to eight, and the four to eight movable ejector rods (101) are uniformly arranged on the top of the cylindrical shell (1) in an annular array.
6. An internal medicine clinical respiration disinfection and filtration device as claimed in claim 1, wherein the inner wall of the cylindrical sealing cover (2) is provided with internal threads (201), the outer wall of the top opening of the cylindrical shell (1) is provided with external threads, and the internal threads (201) on the inner wall of the cylindrical sealing cover (2) are matched with the external threads on the outer wall of the cylindrical shell (1).
7. An internal medicine clinical respiration disinfection and filtration device according to claim 1, wherein the top inner wall of the cylindrical sealing cover (2) is provided with a first vent hole (300), and the bottom inner wall of the cylindrical shell (1) is provided with a second vent hole (400).
8. The internal medicine clinical respiration disinfection and filtration device according to claim 1, wherein a power supply (12) is disposed on an outer wall of one side of the cylindrical housing (1), a switch controller (11) is disposed outside the power supply (12), and the switch controller (11) is electrically connected in series with the power supply (12) and the ultraviolet disinfection and sterilization lamp (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911369609.5A CN111012989B (en) | 2019-12-26 | 2019-12-26 | Internal medicine clinical breathing disinfection filter equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911369609.5A CN111012989B (en) | 2019-12-26 | 2019-12-26 | Internal medicine clinical breathing disinfection filter equipment |
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| Publication Number | Publication Date |
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| CN111012989A CN111012989A (en) | 2020-04-17 |
| CN111012989B true CN111012989B (en) | 2022-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911369609.5A Active CN111012989B (en) | 2019-12-26 | 2019-12-26 | Internal medicine clinical breathing disinfection filter equipment |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5230727A (en) * | 1992-06-05 | 1993-07-27 | Cybermedic, Inc. | Air filter for medical ventilation equipment and the like |
| WO1997048433A1 (en) * | 1996-06-18 | 1997-12-24 | Intavent Orthofix Limited | Respiratory filter unit |
| CN208049170U (en) * | 2017-12-29 | 2018-11-06 | 厦门仁人医疗科技有限公司 | It is a kind of to anaesthetize and breathe with respiratory system filter |
| CN109229851A (en) * | 2018-09-11 | 2019-01-18 | 徐国庆 | A kind of import and export of goods transport case with strong leakproofness |
| CN209075759U (en) * | 2018-04-18 | 2019-07-09 | 蒋淑贞 | A kind of division of respiratory disease breathing circuit filter |
-
2019
- 2019-12-26 CN CN201911369609.5A patent/CN111012989B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5230727A (en) * | 1992-06-05 | 1993-07-27 | Cybermedic, Inc. | Air filter for medical ventilation equipment and the like |
| WO1997048433A1 (en) * | 1996-06-18 | 1997-12-24 | Intavent Orthofix Limited | Respiratory filter unit |
| CN208049170U (en) * | 2017-12-29 | 2018-11-06 | 厦门仁人医疗科技有限公司 | It is a kind of to anaesthetize and breathe with respiratory system filter |
| CN209075759U (en) * | 2018-04-18 | 2019-07-09 | 蒋淑贞 | A kind of division of respiratory disease breathing circuit filter |
| CN109229851A (en) * | 2018-09-11 | 2019-01-18 | 徐国庆 | A kind of import and export of goods transport case with strong leakproofness |
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| CN111012989A (en) | 2020-04-17 |
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